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Shoddy galvanized pipe is easy to scratch, the reason is that shoddy galvanized pipe manufacturers simple equipment, easy to produce burrs, scratch the steel su···
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Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
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Seamless steel pipe purchase precautions
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Steel pipe is a common type of pipe, which can be divided into seamless pipe, welded pipe and other different types, so what is the difference between seamless ···
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According to different welding methods, it can be divided into arc welding pipe, high frequency or low frequency resistance welding pipe, gas welding pipe, furn···
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